News tagged with tipping points

From yeast, researchers learn how populations collapse

In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...

Biology / Ecology

created Jun 01, 2012 | popularity 4.4 / 5 (7) | comments 21 | with audio podcast

Forest and savanna can switch quickly

(PhysOrg.com) -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes ...

Space & Earth / Environment

created Oct 14, 2011 | popularity 4.4 / 5 (8) | comments 1 | with audio podcast report

Climate change disasters could be predicted

Climate change disasters, such as the melting of the Greenland ice sheet, dieback of the Amazon rainforest or collapse of the Atlantic overturning circulation, could be predicted according to University of Exeter research.

Space & Earth / Environment

created Jun 19, 2011 | popularity 3.7 / 5 (10) | comments 8 | with audio podcast

Environmental education has failed and must be revamped, new book argues

Schools must revamp how they teach about the environment to prevent ecological collapse, conservationist Charles Saylan and UCLA life scientist Daniel T. Blumstein argue in "The Failure of Environmental Education (And How ...

Other Sciences / Social Sciences

created May 16, 2011 | popularity 3 / 5 (2) | comments 1

Human rules may determine environmental 'tipping points'

A new paper appearing in the Proceedings of the National Academy of Sciences (PNAS) suggests that people, governments, and institutions that shape the way people interact may be just as important for determining environmental ...

Space & Earth / Environment

created Apr 15, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Study finds national debt 'tipping point' that slows economic growth

Researchers from North Carolina State University have identified a "tipping point" for national debt - the point at which national debt levels begin to have an adverse effect on economic growth. The findings could influence ...

Other Sciences / Economics & Business

created Sep 28, 2010 | popularity 4 / 5 (4) | comments 0

Study may help predict extinction tipping point for species

What if there were a way to predict when a species was about to become extinct -- in time to do something about it?

Biology / Ecology

created Sep 08, 2010 | popularity 4 / 5 (6) | comments 3 | with audio podcast

2 years old -- a childhood obesity tipping point?

While many adults consider a chubby baby healthy, too many plump infants grow up to be obese teens, saddling them with Type-2 diabetes, elevated cholesterol and high blood pressure, according to an article published this ...

Medicine & Health / Health

created Feb 11, 2010 | popularity not rated yet | comments 0

Climate 'Tipping Points' May Arrive Without Warning, Says Top Forecaster

(PhysOrg.com) -- A new University of California, Davis, study by a top ecological forecaster says it is harder than experts thought to predict when sudden shifts in Earth's natural systems will occur -- a ...

Space & Earth / Environment

created Feb 09, 2010 | popularity 3.6 / 5 (35) | comments 46 | with audio podcast

Research indicates ocean current shutdown may be gradual

The findings of a major new study are consistent with gradual changes of current systems in the North Atlantic Ocean, rather than a more sudden shutdown that could lead to rapid climate changes in Europe and elsewhere.

Space & Earth / Earth Sciences

created Jul 16, 2009 | popularity 3.9 / 5 (7) | comments 6